MAX8973A Datasheet (PDF) Download
Maxim Integrated
MAX8973A

Description

The MAX8973A high-efficiency, three-phase, DC-DC step-down switching regulator delivers up to 9A of output current in a pact footprint with excellent transient response. Each phase operates at a 2MHz fixed frequency, allowing the use of small magnetic ponents.

Key Features

  • Up to 9A Output Current
  • > 91% Peak Efficiency at 3.6VIN, 1.2VOUT
  • Rotational Phase Spreading Maximizes Efficiency at Light Loads
  • Initial Accuracy of 0.5% at 1.2V Output
  • 0.8% Output Accuracy Over Line and Temperature at 1.2V Output
  • Enhanced Transient Response Minimizes Output Droop with Large Load Steps
  • Soft-Stop Recovers Output Capacitor Charge When Converter is Disabled
  • Programmable VOUT: 0.60625V to 1.4V (6.25mV step size)
  • Powers Up into Prebiased Output
  • 3.4MHz I2C 3.0-compatible Serial Interface